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11 September, 02:00

Subtract - 5x2 + 7x + 1 from 8x2 + x - 10.

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  1. 11 September, 02:18
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    Step-by-step explanation:

    8x² + x - 10 - [ - 5x² + 7x + 1] = 8x² + x - 10 + 5x² - 7x - 1

    = 8x² + 5x² + x - 7x - 10 - 1 {Now add the like terms}

    = 13x² - 6x - 11
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